Source: Wikimedia Commons

This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain.
烏鴉2
animal、biology、bird、black and white、crow、externalsource、Library - Animalia、line art、ornithology、outline、psf、wikimedia commons、zoology
動物、生物學、鳥、黑與白、烏鴉、外部源、圖書館 - 動物界、線條藝術、鳥類學、大綱、PSF、維基媒體公地、動物學
資料來源：openclipart ( https://openclipart.org/ )